ats have a remarkable ability to hide illness. Unfortunately, though, they also have a remarkable ability to get into trouble because someone assumed they should be treated like a small dog. Dogs and cats may share our homes, but they do not share the same biology.

The reality is that cats are unique. Their skin is thinner, their metabolism is different and they spend several hours every day grooming themselves. That means every product placed on a cat’s coat has the potential to become something they ingest. Therefore, choosing the right products and avoiding the wrong ones is one of a groomer’s most important responsibilities.

One of the biggest misconceptions today is that “natural” automatically means safe. It sounds reassuring, but it tells us very little about whether a product is appropriate for feline skin. Professional groomers should become students of science rather than advertising, especially when it comes to essential oils.

Cats lack several of the liver enzymes needed to metabolize many essential oils. Tea tree oil, eucalyptus, peppermint, wintergreen, citrus oils, clove, cinnamon and numerous other plant oils may accumulate to toxic levels. “Natural” is a marketing term, not a medical one.

If a flea product is not specifically labeled for cats, it should never be used on one. The active ingredient commonly used in some canine flea products is a permethrin compound. Dogs metabolize these products well, but cats do not. Exposure can lead to severe muscle tremors, seizures and even death if left untreated.

Professional groomers often encounter oily Persians or intact male cats with stud tail. The temptation is to reach for the strongest degreaser available. However, when we aggressively strip the skin of every natural oil, the body often responds by producing even more. At the same time, we damage the skin barrier that protects against dehydration and irritation, setting the skin up for a secondary infection. Healthy skin should be cleaned and restored using mild shampoos and humectant conditioners, not stripped.

Human shampoos are formulated for human skin, not feline skin; meaning, different detergents, different pH and completely different expectations. Just because a product is gentle for people doesn’t mean it is appropriate for cats.

More obviously, household cleaners should not be used on cats. Kitchen degreasers may remove grease, but they also remove the protective oils from the cat’s skin and can cause a significant chemical irritation. Dish detergents belong in the kitchen, not in the grooming salon.

Too often we try to create cosmetic improvements rather than biological improvements. Heavy emollient conditioners and silicone-rich finishing sprays may create immediate shine, but they frequently leave residue trapped within the coat—and everything left on the coat eventually ends up in the digestive tract. That simple fact should influence every product decision we make.

Groomers are often the first line of defense for skin disease. They recognize subtle differences in skin texture, coat quality, oil production and odor long before disease becomes advanced. That makes product selection critical, as it becomes a medical decision.

Every bottle sitting on your shelf should have earned its place there. It should contribute to healthy skin, a healthy coat and the cat’s long-term wellbeing. If a product only creates the appearance of health while compromising skin function, it has failed its purpose.

The best cat groomers all share one quality: They respect feline biology. They understand that cats are not small dogs. They appreciate that every product applied to the coat will eventually be licked, swallowed and processed by the body. Most importantly, they realize that healthy skin is the foundation of every beautiful coat.

As veterinarians, we often see the consequences of using the wrong products. As groomers, you can prevent those problems before they ever reach the exam room. That is one of the greatest values of professional grooming: not simply making cats look beautiful but helping them stay healthy for years to come.

Dr. Cliff Faver graduated with a BS in Biology/BA in Chemistry before getting a Veterinary degree in 1987. He is the past owner of Animal Health Services in Cave Creek, Arizona and now the US distributor for Iv San Bernard products, teaches the ISB Pet Aesthetician Certification program, and speaks internationally on hair and skin. His passion is to merge groomers and veterinarians to aid in helping and healing pets. He is also a member of AVMA, AAHA, AZVMA, Board member with Burbank Kennel Club, and has served on Novartis Lead Committee, Hill’s International Global Veterinary Board, and a Veterinary Management Group.